A63B 21/045
Having torsion or bending or flexion element
Official title: having torsion {or bending or flexion} element
A63B21/045 (Having torsion or bending or flexion element) appears on 416 US grants and 310 published applications in this corpus.
Search patents in A63B- Granted patents
- 416
- Published applications
- 310
- Assignees
- 118
- Inventors
- 584
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 4 | 0 |
| 2002 | 8 | 5 |
| 2003 | 5 | 11 |
| 2004 | 6 | 7 |
| 2005 | 4 | 5 |
| 2006 | 6 | 15 |
| 2007 | 12 | 13 |
| 2008 | 5 | 13 |
| 2009 | 12 | 20 |
| 2010 | 14 | 11 |
| 2011 | 12 | 17 |
| 2012 | 9 | 10 |
| 2013 | 8 | 8 |
| 2014 | 7 | 8 |
| 2015 | 9 | 18 |
| 2016 | 14 | 16 |
| 2017 | 24 | 26 |
| 2018 | 14 | 19 |
| 2019 | 16 | 24 |
| 2020 | 17 | 14 |
| 2021 | 19 | 15 |
| 2022 | 13 | 12 |
| 2023 | 11 | 7 |
| 2024 | 7 | 2 |
| 2025 | 5 | 11 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cat exercise wheel1 Sep 2026US 12,722,039 B1Hong Kong Wudi International Trading Co., Limited
- Walker device for gait training25 Aug 2026US 12,714,628 B2
- Rehabilitation pedal structure for hospital bed25 Aug 2026US 12,714,905 B2Chang Gung University of Science and Technology
- Adjustable physical therapy and exercise kit21 Jul 2026US 12,685,890 B2
- Fitness bar26 May 2026US 12,636,535 B1
- Portable Elevated Pushup and Arm Curl Exercise Device7 May 2026US 2026/0124484 A1
- Variable-resistance cable training assembly and methods of use9 Apr 2026US 2026/0097258 A1Anchor Health & Fitness, Inc.
- Ankle dorsiflexor physical therapy device19 Feb 2026US 2026/0048294 A1
- Joint Rotational Exercise and Stretching Tool20 Nov 2025US 2025/0352847 A1
- Adjustable Physical Therapy and Exercise Kit28 Aug 2025US 2025/0269219 A1
Most cited
By later US patents
- General purpose exercise machine176US 4,684,126 APro Form S.R.L. · 1987
- Exercise and game controller apparatus and method133US 7,335,134 B12008
- Repetition sensor in exercise equipment131US 7,628,737 B2Icon IP, Inc. · 2009
- Exercise device with centrally mounted resistance rod130US 7,250,022 B22007
- Universal exercising machine102US 4,725,057 A1988